21665 Frege
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Discovery and designation
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| Discovered by | P. G. Comba |
| Discovery site | Prescott |
| Discovery date | September 5, 1999 |
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Designations
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| MPC designation | 21665 |
| Alternative names[1] | 1999 RR1 |
| Epoch May 14, 2008 | |
| Ap | 2.5571676 |
| Peri | 1.9861846 |
| Eccentricity | 0.1256744 |
| Orbital period | 1250.5989414 |
| Mean anomaly | 296.53658 |
| Inclination | 2.87041 |
| Longitude of ascending node | 309.20778 |
| Argument of peri | 287.95987 |
| Absolute magnitude | 16.2 |
21665 Frege (1999 RR1) is a Main-belt Asteroid discovered on September 5, 1999 by P. G. Comba at Prescott.
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